Kitchen sink



FIG. 1 is a top view of a kitchen sink showing our new design thereof;

FIG. 2 is a front view of the kitchen sink shown in FIG. 1;

FIG. 3 is a rear side view of the kitchen sink shown in FIG. 1;

FIG. 4 is a first side view of the kitchen sink shown in FIG. 1;

FIG. 5 is a second side view of the kitchen sink shown in FIG. 1;

FIG. 6 is a bottom view of the kitchen sink shown in FIG. 1;

FIG. 7 is a perspective view of the kitchen sink shown in FIG. 1; and,

FIG. 8 is a perspective view of the kitchen sink shown in FIG. 1.

Elements shown in broken lines show environmental structures of thekitchen sink and form no part of our design.

CLAIM The ornamental design for a kitchen sink, as shown and described.